/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.7rem 1.6rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: transform 0.15s, box-shadow 0.15s;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--accent);
}

/* --- About Details --- */
.about-text p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.detail-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
}

.detail-card .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.detail-card .value {
    font-weight: 600;
    font-size: 1rem;
}

/* --- Project Cards --- */
.project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.project-card.project-tba {
    opacity: 0.45;
    border-style: dashed;
}

.project-card.project-tba:hover {
    transform: none;
    border-color: var(--border);
}

.project-card.project-tba .project-screenshot {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.project-card .project-screenshot {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
    background: var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.project-card .project-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card .project-body {
    padding: 1.5rem;
}

.project-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* --- Project Tags --- */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: var(--accent-glow);
    color: var(--accent);
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-weight: 500;
}

.tag:nth-child(3n+1) { color: var(--red); background: rgba(230, 57, 70, 0.15); }
.tag:nth-child(3n+2) { color: var(--green); background: rgba(45, 198, 83, 0.15); }
.tag:nth-child(3n+3) { color: var(--yellow); background: rgba(249, 168, 37, 0.15); }

/* --- Project Links --- */
.project-links {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
}

/* --- Skills --- */
.skill-category h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.skill-category:nth-child(1) h3 { color: var(--red); }
.skill-category:nth-child(2) h3 { color: var(--green); }
.skill-category:nth-child(3) h3 { color: var(--yellow); }
.skill-category:nth-child(4) h3 { color: var(--blue); }

.skill-category ul {
    list-style: none;
}

.skill-category li {
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1rem;
}

.skill-category li::before {
    content: '\25B8';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* --- Blog Cards --- */
.blog-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: transform 0.2s, border-color 0.2s;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.blog-card .blog-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.blog-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-card .read-more {
    font-size: 0.85rem;
    font-weight: 600;
}

/* --- AI Twin Chat --- */
.chat-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
}

.chat-iframe {
    width: 100%;
    height: 600px;
    border: none;
    display: none;
}

.chat-iframe[src]:not([src=""]) {
    display: block;
}

.chat-iframe[src]:not([src=""]) + .chat-placeholder {
    display: none;
}

.chat-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    min-height: 400px;
}

.chat-placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.chat-placeholder h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.chat-placeholder p {
    color: var(--text-muted);
    max-width: 400px;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.chat-placeholder-hint {
    font-size: 0.8rem !important;
    color: var(--accent) !important;
    margin-top: 1rem !important;
}

/* --- Show More --- */
.show-more-wrapper {
    text-align: center;
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

[data-show-more] > *:nth-child(n) {
    /* Items are hidden/shown via JS */
}

.show-more-hidden {
    display: none !important;
}

/* --- Contact --- */
.contact-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.contact-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.social-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--accent);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 4rem 2rem 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

.footer-logo {
    max-width: 340px;
    margin: 0 auto 2rem;
}

.footer-logo img {
    width: 100%;
    height: auto;
}

/* --- News Cards --- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.news-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    transition: transform 0.2s, border-color 0.2s;
}

.news-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.news-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.news-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
    color: var(--text);
    line-height: 1.4;
}

.news-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-source {
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 600;
}

.news-loading {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 3rem 0;
    font-size: 0.95rem;
}